4104142132221 has 24 divisors (see below), whose sum is σ = 6055974886104. Its totient is φ = 2677579551360.

The previous prime is 4104142132219. The next prime is 4104142132243. The reversal of 4104142132221 is 1222312414014.

4104142132221 is a `hidden beast` number, since 4 + 1 + 0 + 414 + 21 + 3 + 2 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 402323804100 + 3701818328121 = 634290^2 + 1924011^2 .

It is not a de Polignac number, because 4104142132221 - 2¹ = 4104142132219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104142132271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18865626 + ... + 19081931.

It is an arithmetic number, because the mean of its divisors is an integer number (252332286921).

Almost surely, 2^{4104142132221} is an apocalyptic number.

It is an amenable number.

4104142132221 is a deficient number, since it is larger than the sum of its proper divisors (1951832753883).

4104142132221 is a wasteful number, since it uses less digits than its factorization.

4104142132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37947821 (or 37947818 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 4104142132221 its reverse (1222312414014), we get a palindrome (5326454546235).

The spelling of 4104142132221 in words is "four trillion, one hundred four billion, one hundred forty-two million, one hundred thirty-two thousand, two hundred twenty-one".